diff --git a/test/test_tictactoe.c b/test/test_tictactoe.c
index 88cccbb..3983cc9 100644
--- a/test/test_tictactoe.c
+++ b/test/test_tictactoe.c
@@ -32,4 +32,10 @@ void test_CheckForWin_Horizontal_7_8_9(void) {
     TEST_ASSERT(checkForWin(1, 2, 3, 4, 5, 6, 11, 11, 11, 11) == 1);
 }
 
+// Testfall für die Funktion checkForWin - Vertikaler Sieg
+void test_CheckForWin_Vertical_1_4_7(void) {
+    // Teste vertikalen Sieg in der ersten Spalte
+    TEST_ASSERT(checkForWin(10, 2, 3, 10, 5, 6, 10, 8, 9, 10) == 1);
+}
+
 #endif // TEST
\ No newline at end of file